<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
		     /*清除内外间距*/
			 body,div,input,ul,ol,dl,li,h1,h2,h3,h4,h5,h6,table,a,img,option{
			 	margin: 0px;
			 	padding: 0px;
			 }
			 body{
			 	background-color: #fff;
			 }
			 a{
			 	text-decoration: none;
			 	display: inline-block;
			 }
			 ul,li,ol{
			 	 list-style: none;
			 }
			  
		</style>
	</head>
	<body>
		<a href="http://www.baidu.com">百度</a>
		<h1>你好</h1>
		<div>哈哈</div>
	</body>
</html>
